Detection of self-compacting concrete bleeding through ultrasonic wave analysis
DOI:
https://doi.org/10.5433/1679-0375.2022v43n2p127Keywords:
AutoadensávelAbstract
Self-compacting concrete represents an advance in concrete technology, combining performance, uniformity, and other requirements that cannot be achieved with vibrated concrete. The main characteristic of this kind of concrete is its flowability, obtained using fine materials, viscosity modifiers, and superplasticizer additives. However, the excessive use of superplasticizer makes the mixture susceptible to segregation and bleeding, changing its mechanical properties in the hardened state. Currently, non-destructive tests (NDT) are used to evaluate concrete’s physical and mechanical properties, without causing damage to the analyzed element. Ultrasonography stands out, which makes it possible to evaluate the homogeneity of the concrete through the ultrasonic pulse velocity. Recent studies show that the waveform can bring potentially more effective parameters in the analysis of non-homogeneous concretes. In this context, the present study evaluated the properties of a self-compacting concrete mix with two dosages of superplasticizer additive, using ultrasonic wave parameters to identify concrete bleeding. Results showed that the group velocity and the energy propagated through the material are parameters sensitive to variations in the uniformity of the concrete, demonstrating its capacity to detect concrete bleeding.
leeding.
Metrics
References
ABNT - ASSOCIAÇÃO BRASILEIRA DE NORMAS TÉCNICAS. NBR 15823-1: concreto autoadensável Parte 1: Classificação, controle e aceitação no estado fresco. Rio de Janeiro: ABNT, 2010.
BAUER, L. A. F. Materiais de construção. 5 ed. Rio de Janeiro: LTC, 1987.
BRESSAN, H. F. G. Estudo do comportamento de ondas ultrassônicas no monitoramento do concreto em idades iniciais. 2019. 155 f. Dissertação (Mestrado em Engenharia civil) - Universidade Federal de Santa Catarina, Florianópolis, 2019.
CÂMARA, R. M. Estudo do efeito da variação de pressão de acoplamento no comportamento dos parâmetros ultrassônicos. 2017. 124 f. Dissertação (Mestrado em Engenharia Civil) – Universidade Federal de Santa Catarina, Florianópolis, 2017.
CARELLI, J. M.; SAVARIS, G.; PINTO, R. C. A. Avaliação de concretos autoadensáveis através da análise do comportamento de ondas ultrassônicas. In: CONGRESSO BRASILEIRO DO CONCRETO, 56, 2014, Natal. Anais […]. Ponta Negra: Ibracon, 2014. p. 1-9.
FENATO, T. M.; CARBONARI, B. M. T.; LEITE, F. M.; YOSHIDA, H. H. Investigation of the existence of self-compacting properties in high performance concrete through experimental tests. Semina: Ciências Exatas e Tecnológicas, Londrina, v. 28, n. 1, p. 65-78, 2007. DOI: https://doi.org/10.5433/1679-0375.2007v28n1p65
HERBUDIMAN, B.; SAPTAJI, A. M. Self-compacting concrete with recycled traditional roof tile powder. Procedia Engineering, Maryland Heights, v. 54, p. 805–816, 2013. DOI: https://doi.org/10.1016/j.proeng.2013.03.074. DOI: https://doi.org/10.1016/j.proeng.2013.03.074
HOFMANN, M. A. Atenuação da energia do sinal ultrassônico na detecção de danos por fissuração no concreto. 2015. 140 f. Dissertação (Mestrado em Engenharia Civil) – Universidade Federal de Santa Catarina, Florianópolis, 2015.
LORENZI, A.; CHIES, J. A.; ADAMATTI, D. S.; SILVA FILHO, L. C. P. Evaluation of concrete flaw detection capability by means of ultrasonic tests. Revista ALCONPAT, Mérida, v. 7, n. 3, p. 286-301, 2017. DOI: https://doi.org/10.21041/ra.v7i3.127. DOI: https://doi.org/10.21041/ra.v7i3.127
MENDES, M.; BAUER, E.; SILVA, F. Evaluation of the workability and rheology parameters of self-compacting concrete. Revista Matéria, Rio de Janeiro, v. 22, n. 4, 2017. DOI: https://doi.org/10.1590/S1517-707620170004.0212. DOI: https://doi.org/10.1590/s1517-707620170004.0212
NEVILLE, A. M.; BROOKS, J. J. Tecnologia do concreto. 2 ed. Porto Alegre: Bookman, 2013.
PAYAN, C.; ABRAHAM, O.; GARNIER, V. Ultrasonic methods. In: BALAYSSAC, J-P.; GARNIER, V. Non-Destructive Testing and Evaluation of Civil Engineering Structures. Great Britain: ISTE Press; London: Elsevier, 2018. p. 21-85. DOI: https://doi.org/10.1016/B978-1-78548-229-8.50002-9
PUFAL, K. M. Comparativo da resistência ao cisalhamento direto entre concretos autoadensável e convencional. 2017. Trabalho de Conclusão de Curso (Graduação em Engenharia Civil) – Universidade Tecnológica Federal do Paraná, Toledo, 2017.
REPETTE, W. L. Concreto autoadensável. In: TUTIKIAN, B.; PACHECO, F.; ISAIA, G.; BATTAGIN, I. Concreto: ciência e tecnologia. São Paulo: IBRACON, 2011. v. 2, p. 1769-1806.
SCHANKOSKI, R. A.; PILAR, R.; PILEGGI, R.; PRUDÊNCIO JUNIOR., L. R. Rheology evaluation of self-compacting concretes containing quarry by-product powders. Revista Matéria, Rio de Janeiro, v. 22, n. 2, 2017. DOI: https://doi.org/10.1590/S1517-707620170002.0150. DOI: https://doi.org/10.1590/s1517-707620170002.0150
SILVA, P.; BRITO, J. Betão autocompactável (BAC) - estado actual do conhecimento. Engenharia Civil-UM, [s. l.], n. 35, p. 13-32, 2009.
SHIOTANI, T.; AGGELIS, D. G. Wave propagation in cementitious material containing artificial dis-tributed damage. Materials and Structures, Dordrecht, v. 42, p. 377-384, 2009. DOI: https://doi.org/10.1617/s11527-008-9388-4. DOI: https://doi.org/10.1617/s11527-008-9388-4
SILVA, P. M. Análise da perda de rigidez em vigas de concreto armado devido à fissuração por esforços de flexão utilizando ensaio de ultrassom. 2017. 170 f. Dissertação (Mestrado em Engenharia Civil) – Universidade Federal de Santa Catarina, Florianópolis, 2017.
TINOCO, I. V.; PINTO, R. C. A. Evaluation of stiffness loss of reinforced concrete beams using the diffuse ultrasound method. Ultrasonics, Amsterdam v. 117, p. 106540, 2021. DOI: https://doi.org/10.1016/j.ultras.2021.106540
VERZEGNASSI, E. Estudo das propriedades no estado fresco e endurecido do concreto leve autoadensável. 2015. 121 f. Dissertação (Mestrado em Tecnologia) – Universidade Estadual de Campinas, Limeira, 2015.
VIANA, A. C. C.; MORAES, P. D. D., IVO, J. Ultrasonic wave propagation in thermally treated concrete up to 400 C. Revista Ibracon de Estruturas e Materiais, São Paulo, v. 15, p. 1-16, 2022. DOI: https://doi.org/10.1590/s1983-41952022000300003
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